90653689 divided by 450 
We want to divide 90653689 by 450.

Going ahead to step 1:
When dividing 9 by 450, we get 0 with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 450

Step 2:
450 goes into 90 0 times with a remainder of 90.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 90, we get 90.
Fetch the next digit (6) from the dividend, attach it to 90 and continue: 906 / 450

Going ahead to step 3:
The number 450 fits into 906 2 times, leaving a remainder of 6.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 900 from 906, we get 6.
Include the next digit (5) from the dividend after 6, then repeat: 65 / 450

Let's proceed to step 4:
If we divide 65 by 450, we get 0 and a remainder of 65.
Put 0 as the next digit of the answer. 
Result so far: 20.0
If we take 0 away from 65, we end up with 65.
Grab the next digit (3) from the dividend, add it to 65, then carry on: 653 / 450

On to step 5:
450 can be fit into 653 1 times, resulting in a remainder of 203.
The next digit of our result is 1. 
Result so far: 201.0
If we take 450 away from 653, we end up with 203.
Bring next digit (6) of the dividend behind the 203 and repeat the process: 2036 / 450

Moving on to step 6:
The number 450 fits into 2036 4 times, leaving a remainder of 236.
The number 4 becomes the next digit in our result. 
Result so far: 2014.0
If we subtract 1800 from 2036, we get 236.
Include the next digit (8) from the dividend after 236, then repeat: 2368 / 450

On to step 7:
The number 450 fits into 2368 5 times, leaving a remainder of 118.
Write down 5 as next digit of the result. 
Result so far: 20145.0
Subtract 2250 from 2368 to get 118.
Include the next digit (9) from the dividend after 118, then repeat: 1189 / 450

On to step 8:
450 goes into 1189 2 times with a remainder of 289.
The number 2 becomes the next digit in our result. 
Result so far: 201452.0
Deduct 900 from 1189 and we're left with 289.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2890, and continue the process.

Let's proceed to step 9:
2890 divided by 450 is 6 with a remainder of 190.
Put 6 as the next digit of the answer. 
Result so far: 201452.6
Deduct 2700 from 2890 and we're left with 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Let's proceed to step 10:
If we divide 1900 by 450, we get 4 and a remainder of 100.
Use 4 as the next digit of our solution. 
Result so far: 201452.64
Subtracting 1800 from 1900 leaves us with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Step 11:
1000 divided by 450 is 2 with a remainder of 100.
Record the quotient 2 as the next digit in the result. 
Result so far: 201452.642
If we take 900 away from 1000, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

On to step 12:
450 can be fit into 1000 2 times, resulting in a remainder of 100.
Use 2 as the next digit of our solution. 
Result so far: 201452.6422
Deduct 900 from 1000 and we're left with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

The final outcome is 201452.6422, with a leftover of 0.001.